Located on one of the most coveted streets in San Marino, this Marston and Van Pelt masterpiece is within a stone's throw of the world renowned Huntington Library & Botanical Gardens. On the market for the first time in 45 years, this magnificent estate showcases a two-story high foyer, cloak room, parlor, conservatory, formal dining room, library, sunroom, and family room on the first level. All sleeping quarters are on the second floor. A separate pool house with bath (626 square feet), a summer pavilion, an outdoor dining area, pool, and spa offer the perfect backdrop for either a private gathering or a grand event. All are perfectly situated on a most beautifully landscaped lot. Do not miss this once-in-a-lifetime opportunity.